Ascom Pty. Ltd., constructed jumbo units at Yelta, Elmore, Mitiamo and Murchison East in Victoria and another at Balranald in NSW. They consist of two 23.8 metre diameter fully welded steel flat bottomed bins, each of 6,850 tonne capacity, served by a 250 tonne per hour elevator for inloading and outloading. Additionally, each bin is equipped with a 200 tph rail discharge auger. There are also Jumbo units at Speed, Ouyen and Woomelang.
Johns Perry Storage Systems Division constructed a jumbo unit at Robinvale. This unit consists of 2 cells each of 20 metres diameter, constructed of galvanised strip and rolled on site by the ‘Lipp’ method.
This unit has an elevator of capacity of 500 tonnes per hour for inloading and outloading. When the flat bottomed bins have emptied down to gravity, each bin is equipped with a self indexing automatic sweep to complete emptying process.